$ git clone -n https://src.fedoraproject.org/rpms/guestfs-tools.git /var/lib/mock/f40-build-2530046-61829/root/chroot_tmpdir/scmroot/guestfs-tools
Cloning into '/var/lib/mock/f40-build-2530046-61829/root/chroot_tmpdir/scmroot/guestfs-tools'...
$ git fetch origin 8c84401862acf9b3d1cb7cc3c27ee19558e0a284:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/guestfs-tools
 * [new ref]         8c84401862acf9b3d1cb7cc3c27ee19558e0a284 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c84401 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild